# 作者：宋安康
# 开发时间：2023/11/9 12:17
a = 100
b = 50
print(90)
print(a)
print(a*b)

print('hello')
print("hello")
print('''hello''')
print("""hello""")

print(a, b, 'hello')

print('b')
print(chr(98))
print('C')
print(chr(67))
print(8)
print(chr(56))

print(ord('北'))
print(ord('京'))
print(chr(21271), chr(20140))

'''print（value，...., sep= ' ',end=' \n ',file = None）'''
print("北京", "hello", sep='+',)
print('北京', end='--->')
print('hello', end='--->')
print()
print('hello'+'2023')
